Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/46541
Title: Effect of Macroalgae Protein Levels on Some Reproductive Aspects and Physiological Parameters for the Abalone, Haliotis tuberculata coccinea (Reeve 1846)
Authors: Bilbao Villena, Amaia 
Uriarte, Iker
del Pino Viera, María
Sosa, Beatriz
Fernández-Palacios, Hipólito 
Hernández-Cruz, Carmen M. 
UNESCO Clasification: 310502 Piscicultura
Keywords: Haliotis tuberculata coccinea
Macroalgae
Issue Date: 2012
Publisher: 0893-8849
Journal: Journal of the World Aquaculture Society 
Abstract: The effect of food quality on some reproductive aspects (the fatty acid profile and the morphologyof the gonad and the fecundity) and physiological parameters (growth and feeding rates) wereevaluated in adult abalone,Haliotis tuberculata coccinea, females. Abalones were fed on macroalgaediets,Gracilaria cornea, with three different protein levels, Low-N, Medium-N, and High-N. Afterinducing spawning, a higher number of eggs released per gram of abalone and the greatest egg andcytoplasm diameters were found in abalones fed on Medium-N and High-NG. corneadiets. FeedingHigh-NG. corneaincreased the level of arachidonic acid (AA, 20:4n-6) in the mature gonad tissueinH. tuberculata coccinea. Likewise, a histological study on the gonadal morphology revealed thatripe-stage individuals fed on a Low-NG. corneadiet had a larger macrophage populations and theareas of degenerated oocytes increased. These results suggest that macroalgae cultivated in seawaterenriched with ammonium may be a good choice for producing food for femaleH. tuberculata coccineabroodstock in the Canaries.
URI: http://hdl.handle.net/10553/46541
ISSN: 0893-8849
DOI: 10.1111/j.1749-7345.2012.00617.x
Source: Journal of the World Aquaculture Society [ISSN 0893-8849], v. 43(6), p. 764-777
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